Home / 5,519.88-7,613.16-4,027.20

Finding the Fourth Proportional to 5,519.88, 7,613.16 and 4,027.20

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Solution

The fourth proportional to 5,519.88, 7,613.16 and 4,027.20 is: 5,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.88 : 7,613.16 = 4,027.20 : x
  2. Step 2: Convert to fraction form
    5,519.88/7,613.16 = 4,027.20/x
  3. Step 3: Cross multiply
    5,519.88x = 7,613.16 × 4,027.20
  4. Step 4: Simplify right side
    5,519.88x = 30,659,717.95
  5. Step 5: Solve for x
    x = 30,659,717.95/5,519.88
  6. Step 6: Final answer
    x = 5,554.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.